Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a bout of violent volcanic eruptions, climate change, or perhaps a fatal run ...

The Cretaceous is split into two smaller time periods called epochs. The Early Cretaceous Epoch ... continents had moved almost into the positions they are in today. Back then Earth was a lot warmer ...

The cold periods - or ice ages - are ... Between 36 and 20 million years ago the earth experienced the first of three major cooling steps. At this time a continental-scale temperate ice sheet ...

at this time (Figure 2c). The African Humid Period exemplifies the dramatic climate transitions that our planet experiences as a result of subtle changes in the Earth's orbit. The "greening" of ...

Learn about the time period that took place 23 to 2.6 million years ago. 3 min read From afar, Earth looked much as it does today when the Neogene period began. But looks are deceiving.

Earth's history is a roller-coaster of climate fluctuations, of relative warmth giving way to frozen periods of glaciation before rising up again to the more temperate climes we experience today.

This analysis is the first time anyone has been able to ... The team found that the changes in the Earth's climate, from ice ages to warm periods like today called interglacial conditions, synced ...